Server is running out of disk space

doomilation

Hi all, it seems that my instance is running out of space and I can't find the culprit.
I have only a Nextcloud instance with less than 10mo + a Scaleway S3 storage.
All the backups are done on this S3.

[
  {
    "filesystem": "udev",
    "size": 1011658752,
    "used": 0,
    "available": 1011658752,
    "capacity": 0,
    "mountpoint": "/dev"
  },
  {
    "filesystem": "tmpfs",
    "size": 208662528,
    "used": 1175552,
    "available": 207486976,
    "capacity": 0.01,
    "mountpoint": "/run"
  },
  {
    "filesystem": "/dev/vda1",
    "size": 19446636544,
    "used": 18454663168,
    "available": 82026496,
    "capacity": 1,
    "mountpoint": "/"
  },
  {
    "filesystem": "tmpfs",
    "size": 1043300352,
    "used": 0,
    "available": 1043300352,
    "capacity": 0,
    "mountpoint": "/dev/shm"
  },
  {
    "filesystem": "tmpfs",
    "size": 5242880,
    "used": 0,
    "available": 5242880,
    "capacity": 0,
    "mountpoint": "/run/lock"
  },
  {
    "filesystem": "tmpfs",
    "size": 1043300352,
    "used": 0,
    "available": 1043300352,
    "capacity": 0,
    "mountpoint": "/sys/fs/cgroup"
  },
  {
    "filesystem": "/dev/vda15",
    "size": 103227392,
    "used": 124928,
    "available": 103103488,
    "capacity": 0.01,
    "mountpoint": "/boot/efi"
  }
]

It doesn't seem to be docker neither :

TYPE                TOTAL               ACTIVE              SIZE                RECLAIMABLE
Images              10                  9                   3.474GB               1.33GB (38%)
Containers          10                  9                   0B                      0B
Local Volumes    42                  18                  1.323GB             2.809MB (0%)
Build Cache         0                   0                   0B                       0B

nebulon

How large is the storage at / on the server? I am not 100% sure about the units there, but it looks like it has 20Gb of storage. If that is the case then the base system itself will already occupy a large chunk of it, adding the docker images and some data like from nextcloud itself can easily add up to 20Gb then, which btw is the bare minimum for Cloudron.

doomilation

@nebulon Hi. Yes, indeed, the instance has 20gb. I deleted files from trash in Nextcloud and got back to normal with 6gb of free space.